do not run StripeWorker tasks is the gateway is not enabled

app/controllers/api/stripe_controller.rb

@@ -2,6 +2,7 @@
 
 # API Controller for handling the payments process in the front-end, using the Stripe gateway
 class API::StripeController < API::PaymentsController
+  require 'stripe/helper'
 
   ##
   # Client requests to confirm a card payment will ask this endpoint.
@@ -9,7 +10,7 @@ class API::StripeController < API::PaymentsController
   # was successfully made. After the payment was made, the reservation/subscription will be created
   ##
   def confirm_payment
-    render(json: { error: 'Online payment is disabled' }, status: :unauthorized) and return unless Setting.get('online_payment_module')
+    render(json: { error: 'Bad gateway or online payment is disabled' }, status: :bad_gateway) and return unless Stripe::Helper.enabled?
 
     amount = nil # will contains the amount and the details of each invoice lines
     intent = nil # stripe's payment intent

app/workers/stripe_worker.rb

@@ -2,10 +2,13 @@
 
 # This worker perform various requests to the Stripe API (payment service)
 class StripeWorker
+  require 'stripe/helper'
   include Sidekiq::Worker
   sidekiq_options queue: :stripe
 
   def perform(action, *params)
+    return false unless Stripe::Helper.enabled?
+
     send(action, *params)
   end
 

lib/stripe/helper.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+# Stripe payement gateway
+module Stripe; end
+
+## Provides various methods around the Stripe payment gateway
+class Stripe::Helper
+  class << self
+    ## Is the Stripe gateway enabled?
+    def enabled?
+      return false unless Setting.get('online_payment_module')
+      return false unless Setting.get('payment_gateway') == 'stripe'
+
+      res = true
+      %w[stripe_public_key stripe_secret_key stripe_currency].each do |pz_setting|
+        res = false unless Setting.get(pz_setting).present?
+      end
+      res
+    end
+  end
+end